Singal, M.K. <br/><br/>
Approach to numbers (aproximate development of various number system) 
M.K. Singal, J.D. Gupta 
 - 4th 
 - New Delhi  R. Chand  1990 
 - xi,223 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Algebra
<br/><br/><label>Dewey Class. No.: </label>512.7  / SIN NO